PREG
‐
ALERT
PRO
®
INSTRUCTION
MANUAL
Rev.
2
7/1/2007
©2007
Renco
Corporation
Page
2
of
13
For
clarity
and
uniformity,
we
have
given
all
metric
measurement
in
millimeters
(mm),
even
though
in
some
cases
the
common
practice
may
be
to
use
centimeters
(cm).
To
convert
to
cm,
divide
millimeters
by
10.
For
the
same
reasons
we
have
omitted
inch
conversions
in
many
cases.
To
convert
mm
to
inches,
divide
mm
by
25.4
or
multiply
by
.04.
Note
that
In
all
cases
and
for
all
readings,
measurements
can
be
indicated
in
either
mm
or
inches.
QUICK
START
CONTROLS
AND
FUNCTIONS
ON/HOLD
OFF:
Press
to
turn
instrument
on.
To
turn
on
with
backlight,
hold
key
for
2
seconds.
When
reading
is
displayed,
press
ON/HOLD
to
maintain
it.
Pressing
again
releases
the
HOLD.
Instrument
automatically
turns
off
if
there
is
no
use
for
3.5
minutes.
SENS
Keys
Selects
sensitivity
1(least)
through
4
(greatest),
which
is
displayed
on
the
screen.
Use
the
lowest
setting
that
gives
a
result.
Using
too
high
a
setting
could
give
spurious
results.
DEPTH
Keys
The
DEPTH
Keys
control
the
position
of
a
vertical
dashed
marker
on
each
screen.
Adjust
to
depth
of
interest
using
right
and
left
arrow
keys.
This
marker
is
calibrated
and
the
distance
is
displayed
on
the
right
side
of
the
screen
In
these
Instructions,
scales
at
the
bottom
of
the
various
illustration
screens
are
evenly
divided.
Minor
divisions
are
not
shown
on
the
graphics
here
to
avoid
clutter.
PREGNANCY
SCREENS
:
The
vertical
marker
displays
the
distance
to
a
spike
of
interest.
To
change
from
mm
to
inches,
go
to
the
fat
screen
and
press
the
OPTION
key.
COW
:
Left
Major
Division:
101mm
(4
in)
Right
Major
Division:
338mm
(13.5
in)
PIG
:
51
‐
288mm
(2
‐
11.5
in)
SHEEP:
51
‐
288mm
(2
‐
11.5
in)
OTHER:
51
‐
209mm
(2
‐
8.3
in).
(This
screen
is
for
small
&
medium
mammals.
Use
COW
for
large
mammals.)
FAT
Screen:
Range:
3mm
to
42mm
(.12
‐
1.65in)
OPTION
key
selects
units,
mm
or
in.
LOIN
Screens:
Use
OPTION
Key
to
select
low
or
high
range:
50mm
‐
140mm
(2
‐
5.6in)
or
90
‐
180mm
(3.6
‐
7.2in).
For
the
FAT
and
LOIN
screens,
spikes
that
occur
to
right
of
the
vertical
marker
position
will
be
suppressed,
which
helps
to
further
refine
the
display.
SELECT
Key:
FAT:
Display
range
is
3
‐
42mm.
Use
OPTION
key
to
select
in.
or
mm.
NOTE:
In
order
to
switch
measurement
system
with
the
OPTION
key,
the
FAT
screen
한국대리점: 길우트레이딩 02)2636-0009 팩스02)2636-4753 서울시 영등포구 양평동 3가 40-2 에이스테크노타워703호 [email protected] www.gilwoo.co.kr
